Add "Scroll to Selection" command

src/input/Binding.zig

@@ -279,6 +279,7 @@ pub const Action = union(enum) {
     /// Scroll the screen varying amounts.
     scroll_to_top,
     scroll_to_bottom,
+    scroll_to_selection,
     scroll_page_up,
     scroll_page_down,
     scroll_page_fractional: f32,
@@ -789,6 +790,7 @@ pub const Action = union(enum) {
             .select_all,
             .scroll_to_top,
             .scroll_to_bottom,
+            .scroll_to_selection,
             .scroll_page_up,
             .scroll_page_down,
             .scroll_page_fractional,

src/input/command.zig

@@ -170,6 +170,12 @@ fn actionCommands(action: Action.Key) []const Command {
             .description = "Scroll to the bottom of the screen.",
         }},
 
+        .scroll_to_selection => comptime &.{.{
+            .action = .scroll_to_selection,
+            .title = "Scroll to Selection",
+            .description = "Scroll to the selected text.",
+        }},
+
         .scroll_page_up => comptime &.{.{
             .action = .scroll_page_up,
             .title = "Scroll Page Up",